A letter saying Darby Ryan's (Diarmuid O'Riain's) great-grandson, Seán Ó Gruagáin, is collecting Darby Ryan's Irish and English poetry. See also Irish Book Lover,Vol. VI, pp. 135-6, March1915.

Míreanna comhchosúla

• The story of Darby Ryan, poet by County Tipperary.
  de réir: Ó Gruagáin, Seán
  Foilsithe / Cruthaithe: (1953)
• Letters concerning the business of Edmundo O'Riain, Dec. 1786, Jan., 1787.
• Mixed farming by Joseph Hanly, reviewed by Diarmud O'Riain.
  de réir: O'Riain, Diarmud
  Foilsithe / Cruthaithe: (1921)
• Query concerning the time and place of publication of Darby Ryan's "poems", as well as the title under which they were published.
  de réir: Buckley, James
  Foilsithe / Cruthaithe: (1912)
• Captain Oxburgh's order to Darby Ryan, high constable as to the placing the town watch at Birr, Feb. 15, 1688.
  Foilsithe / Cruthaithe: (1874)